package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {
    /**
     *  * 插入
     *  * @param user
     *  */
    void insert(User user);
    /**
     *
     * 根据openid查询用户
     *
     * @return
     **/
    @Select("select * from user where openid = #{openid}")
    User getByOpenid(String openid);

    /**
     * 根据id查询用户
     * @param userId
     * @return
     */
    @Select("select * from user where id = #{id}")
    User getById(Long userId);

    /**
     * * 根据动态条件统计用户数量
     *  * @param map
* * @return
* */
    Integer countByMap(Map map);

}
